If the whole picture plane is affected by aerial diffusion, it stops being an effective indicator of depth - this statement is true.
Aerial diffusion is the scattering of light by particles in the air. These particles cause distant objects to appear fainter and bluer than closer objects, leading to a decrease in visual clarity and the ability to perceive depth. Aerial diffusion can be utilized in painting and drawing to create an atmospheric perspective, which produces a sense of depth by making objects are that further away appear hazier and less distinct than those that are closer. However, if the entire picture plane is affected by aerial diffusion, this can make it difficult to distinguish between objects at different depths, which can result in a lack of clarity and depth perception in the painting or drawing.
A picture plane is a theoretical plane that corresponds to the surface of a painting or drawing. The picture plane is where the artist organizes and arranges the various elements of the composition to create a visual representation of a scene. The picture plane is where the viewer's eye interacts with the artwork, and where the illusion of depth and space is created. In this context, the picture plane is an important factor in the creation of depth and atmosphere in a painting or drawing.
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Two students go to play basketball. They notice the ball is flat (it won't bounce). They decide to pump it up with air. After it is pumped with air, will the ball have more, less, or the same amount of mass as before air was added?
A. The ball has less mass after being pumped with air.
B.Cannot determine unless we measure the mass.
C.The ball has more mass after being pumped with air.
D. The ball has the same amount of mass after being pumped with air.
Justify your answer
The ball has more mass being pumped with air. So, option (C) is correct answer.
What is mass?In physics, mass is a quantitative measurement of inertia, a basic characteristic of all matter. It essentially refers to a body of matter's resistance to changing its speed or location in response to the application of a force. The change caused by an applied force is smaller the more mass a body has. The kilogram serves as the unit of mass in the International System of Units (SI).
As the amount of air is added to the basketball by pumping it up with air, the mass of air is also added with the basketball. Hence, the ball has more mass now.
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2 pts
What is a Push or Pull?
Force
O Weight
O Mass
Answer:
It is Force
Explanation:
A Force is a push or pull upon an object resulting from the objects interaction with another object.
A student claims that water's polarity is the reason it has a high specific heat. What method could the student use to test his claim? Perform research to see if other polar molecules have high specific heat Measure how much energy it takes to increase the temperature of water by one degree Mix water with an acid and test the new specific heat Determine how dissolving salt in water affects the specific heat
Answer:
B
Explanation:
The method used by the student to test his claim is determine how dissolving salt in water affects the specific heat. The correct option is fourth.
What is specific heat?The specific heat is the amount of heat required to change the temperature by 1°C. It is denoted by C.
A student claims that water's polarity is the reason it has a high specific heat.
Polarity is determined by the salt dissolved in water. So, to determine how dissolving salt in water affects the specific heat is best method.
Thus, the fourth option is correct.
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what matches ????????????????
Answer:
1st: Radiation
2nd: Conduction
3rd: Convection
Explanation:
I actually learned this before in school. Yay
What is the density of a box measuring 100 grams and 10 ml?
Answer:
In order to convert density to grams, you have to put the mass on one side of the equation, and the density and the volume on the other. Therefore, d * v = m. Multiply the density by the volume. Using the example in step 1, you would multiply 2 g/mL by 4mL.
Explanation:
ok
48. Calculate reflection coefficient for a downward P-wave reflected at the interface between two layers. Upper layer 1 has density = 2800 kg/m³ and P-wave velocity = 3.0 km/s, and Lower layer 2 has density = 2600 kg/m³ and P-wave velocity = 2.8 km/s.
ANSWER_________
The reflection coefficient for the downward P-wave reflected at the interface between the two layers is approximately -0.0714.
To calculate the reflection coefficient for a downward P-wave reflected at the interface between two layers, we can use the formula:
Reflection Coefficient = \(\frac{(Z2 - Z1)}{(Z2 + Z1)}\)\(\frac{(Z2 - Z1)}{(Z2 + Z1)}\)
where Z is the impedance of each layer, given by the product of density (ρ) and P-wave velocity (Vp):
Impedance (Z) = ρ × Vp
For the upper layer (Layer 1):
Density (ρ1) = 2800 kg/m³
P-wave velocity (Vp1) = 3.0 km/s = 3000 m/s
Impedance of Layer 1 (Z1) = ρ1 × Vp1 = 2800 kg/m³ * 3000 m/s = 8,400,000 kg/(m²·s)
For the lower layer (Layer 2):
Density (ρ2) = 2600 kg/m³
P-wave velocity (Vp2) = 2.8 km/s = 2800 m/s
Impedance of Layer 2 (Z2) = ρ2 × Vp2 = 2600 kg/m³ * 2800 m/s = 7,280,000 kg/(m²·s)
Now we can substitute these values into the reflection coefficient formula:
Reflection Coefficient = \(\frac{(Z2 - Z1)}{(Z2 + Z1)}\)
Reflection Coefficient = (7,280,000 kg/(m²·s) - 8,400,000 kg/(m²·s)) / (7,280,000 kg/(m²·s) + 8,400,000 kg/(m²·s))
Reflection Coefficient = -1,120,000 kg/(m²·s) / 15,680,000 kg/(m²·s)
Reflection Coefficient ≈ -0.0714
Therefore, the reflection coefficient for the downward P-wave reflected at the interface between the two layers is approximately -0.0714.
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If your weight is 100N and you run up a flight of stairs that is 6 m high and it takes
you 2 s, what is your power?
Answer:
power=300watt
Explanation:
how is vapor pressure related to temperature? what happens to the vapor pressure of a substance when the temperature is increased? select all that apply.
Vapor pressure is indeed related to temperature. The relationship between vapor pressure and temperature can be described by the following statements:
Vapor pressure generally increases with an increase in temperature.Vapor pressure decreases with a decrease in temperature.There is a direct proportionality between vapor pressure and temperature.As temperature rises, more molecules of a substance have enough energy to escape from the liquid phase and enter the vapor phase, leading to an increase in vapor pressure.Increasing the temperature causes an increase in the average kinetic energy of the molecules, which results in a higher fraction of molecules having sufficient energy to escape from the liquid phase, leading to an increase in vapor pressure.
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2. How much current is in a resistor of 227 Ω if the potential difference across
the resistor is 145 V?
The 0.64 amp current flow is in a resistor of 227 Ω if the potential difference across the resistor is 145 V.
How do you determine current when there is resistance and a potential difference?The sum of the currents flowing through each branch represents the total current in the circuit. By dividing the total current for the circuit by the cell's potential difference, the total resistance for this circuit may be computed.
What is the potential difference current formula?Using the equation V = E d, determine the potential difference between the two locations. Subtract the current flow rate from the resistance that exists in the circuit. The process of multiplication results in the potential difference, which is measured in volts. This formula, V = I R, is known as Ohm's Law.
What conceivable variations exist in Ohm's law?The current times the resistance results in the potential difference, also known as voltage. One Joule of energy is produced when one Coulomb of charge moves between two points in a circuit with a potential difference of one Volt.
From ohm's law;
V = IR
Substitute values,
145 = I × 227
I = 0.64 Amp
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What is the current (in amperes) if 10.0 coulombs of charge pass through a wire in 2.0 seconds?
a. 20 amperes
b. 0.2 amperes
c. 5 amperes
d. 10 amperes
The current is 5 amperes (option c). To calculate the current (in amperes) when a certain amount of charge passes through a wire in a given time, we can use the formula: I = Q / t.
To calculate the current (in amperes) when a certain amount of charge passes through a wire in a given time, we can use the formula:
I = Q / t
Where:
I is the current (in amperes)
Q is the charge (in coulombs)
t is the time (in seconds)
In this case, we have Q = 10.0 coulombs and t = 2.0 seconds. Substituting these values into the formula, we get:
I = 10.0 coulombs / 2.0 seconds = 5 amperes
Therefore, the current is 5 amperes (option c).
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Please help find the total resistance of these circuits!! I will mark brainliest if right!!
Answer:
If you know the total current and the voltage across the whole circuit, you can find the total resistance using Ohm's Law: R = V / I. For example, a parallel circuit has a voltage of 9 volts and total current of 3 amps. The total resistance RT = 9 volts / 3 amps = 3 Ω.
Explanation:
How is the answer D?
The graph that corresponds to 0.1 s in one complete cycle is graph D.
option D is the correct answer.
What is the period of a wave?The period of a wave is the time for a particle on a medium to make one complete vibrational cycle. Period, being a time, is measured in units of time such as seconds, hours, days or years.
Also, the period of a wave is the amount of time it takes for a wave to complete one wave cycle or wavelength.
From the given parameter, the coil rotates 10 times in one second. The period of the coil is calculated as;
Period = 1 s / 10
Period = 0.1 s
From the graphs, the only option that has one complete cycle in one second is option D.
Check option D, half cycle is 0.05 s and one full cycle is 0.1 s.
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Plzzzzz help 4.When using the Right-Hand Rule to determine the direction of the force on an electron moving
in a
magnetic field, the velocity vector (V) is represented by the direction of your
thumb
fingers
palm
None of the above
Answer:
fingers bc when u put out your right hand it would be your fingers
Explanation:
find the resultant resistance of the circuit
Answer:
R = 1.71 ohms
Explanation:
Two resistors are connected in parallel. There equivalent resistance is given by :
\(\dfrac{1}{R}=\dfrac{1}{R_1}+\dfrac{1}{R_2}\)
Put all the values,
\(\dfrac{1}{R}=\dfrac{1}{3}+\dfrac{1}{4}\\\\R=1.71\ \Omega\)
So, the resultant resistance of the circuit is equal to 1.71 ohms.
2.) A rock is kicked off a 5m high cliff. The rock lands 7m from the base of the cliff. With what velocity was the rock initially kicked?
The velocity with which the rock initially kicked if the cliff is 5 m high and the rock lands 7m from the base of the cliff is 6.93 m / s
s = ut + 1 / 2 at²
s = Distance
u = Initial velocity
t = Time
a = Acceleration
In vertical motion,
s = 5 m
u = 0
a = 9.8 m / s²
5 = 0 + ( 1 / 2 * 9.8 * t² )
t² = 1.02
t = 1.01 s
In horizontal motion,
s = 7 m
a = 0 ( Since velocity is constant )
7 = 1.01 u + 0
u = 7 / 1.01
u = 6.93 m / s
Therefore, the velocity with which the rock initially kicked is 6.93 m / s
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Convertir 1200 ms a cs
Convertir 0,3 mm a cm.
Answer:
You can do the reverse unit conversion from cm/s to m/s, or enter any two units below: Metre per second (U.S. spelling: meter per second) is an SI derived unit of both speed (scalar) and velocity (vector quantity which specifies both magnitude and a specific direction), defined by distance in metres divided by time in seconds.
Explanation:
A person whose lens focuses light from distant objects in front of (rather than on) the retina has a condition called
A person whose lens focuses light from distant objects in front of (rather than on) the retina has a condition called myopia.
What is Myopia ? Myopia is also known as nearsightedness. It is a refractive error that affects the eyes. A refractive error is an eye disorder that occurs when the eyes fail to focus light properly. As a result, the patient may see blurred images of objects located at a distance but can see nearby objects without difficulty.
People with myopia are unable to see distant objects clearly because the image is focused in front of the retina instead of directly on it. In most cases, myopia occurs when the eyeball is too long or the cornea is too curved. Myopia symptoms can start as early as childhood. It may progress with time if it is not treated.
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How is the mirror angle related to the angles of incidence and reflection?
Answer:
mirror angle is related to sngle of incident n reflection becuse they are ewaul to each other
star a and star b have measured stellar parallax of 0.58 arc second and 0.73 arc second, respectively. which star is closer?
Star B is closer than star A, because 1/ 0.58 = 1.72 pc, while 1/.73 = 1.36 pc.
What is stellar parallax and distance measurement using stellar parallax?To calculate the distances to nearby stars, astronomers employ a phenomenon known as parallax. The apparent displacement of an object due to a change in the viewer's point of view is known as parallax. The distances between close stars can be calculated using this phenomenon. A nearer star will seem to move against the farther-off background stars as the Earth revolves around the Sun. By measuring a star's position once, then again six months later, astronomers can establish the apparent shift in location of that star. The apparent motion of the star is referred to as stellar parallax.
A straightforward correlation exists between the distance of a star and parallax angle:
\(d=\frac{1}{p}\)
The distance d and parallax angle p are both measured in parsecs and arcseconds, respectively.
Stellar parallax of star A= 0.58 arcseconds
Stellar parallax of star B= 0.73 arcseconds
So, on applying the formula,
The distance of the star A= 1.72pc
And the distance of the star B= 1.36pc
Therefore, star B is closer than star A.
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A 40-kg crate is being pulled along a frictionless surface by a force of magnitude 140 N that makes an angle of 30° with the horizontal. The acceleration of the crate is?
ETo determine the acceleration of the crate, we need to resolve the applied force into its horizontal and vertical components. The horizontal component of the force will contribute to the acceleration, while the vertical component will not affect the motion of the crate on a frictionless surface.
Given:
Mass of the crate (m) = 40 kg
Magnitude of the applied force (F) = 140 N
Angle of the force with the horizontal (θ) = 30°
To find the horizontal component of the force (F_horizontal), we can use trigonometry:
F_horizontal = F * cos(θ)
F_horizontal = 140 N * cos(30°)
F_horizontal = 140 N * √3/2
F_horizontal = 140 N * 0.866
F_horizontal ≈ 121.24 N
Since there is no friction or vertical forces acting on the crate, the horizontal component of the applied force will be responsible for the acceleration.
Using Newton's second law of motion, which states that the force applied to an object is equal to the mass of the object multiplied by its acceleration (F = m * a), we can calculate the acceleration (a).
a = F_horizontal / m
a = 121.24 N / 40 kg
a ≈ 3.03 m/s²
Therefore, the acceleration of the crate is approximately 3.03 m/s².
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What are waveform conversion circuits? 2. Where are waveform conversion circuits typically used
Waveform conversion circuits, also known as signal conversion circuits, are electronic circuits designed to convert one form of an electrical waveform into another form. Waveform conversion circuits find application in a wide range of fields where the modification, conditioning, or transformation of electrical waveforms is necessary to achieve specific objectives.
These circuits modify the characteristics of an input signal to achieve a desired output waveform. The conversion can involve changing the amplitude, frequency, phase, or shape of the waveform.
Waveform conversion circuits are used in various applications where it is necessary to transform signals to match specific requirements. Here are some common areas where waveform conversion circuits are typically used:
Audio Processing: In audio applications, waveform conversion circuits are used to modify audio signals for various purposes. This includes amplifying, filtering, equalizing, or modulating audio waveforms to enhance sound quality, remove noise, or achieve specific audio effects.
Power Electronics: Waveform conversion circuits are extensively employed in power electronics systems for converting and conditioning electrical power. These circuits are used in devices such as inverters, converters, rectifiers, and voltage regulators to transform power waveforms, adjust voltage or current levels, and ensure efficient power transfer.
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When you serve the ball, if the ball does not land in the opposite side rectangle this is called a ______. question 2 options: fault miss volley foul
Answer:
its called a fault
Explanation:
Its when u mess up
PLEASE ONLY A B C OR D || During an experiment, your teacher gives you two objects: tissue paper and a balloon. You observe that the tissue paper repels the balloon. What does this most likely tell you about the charges of the two objects?
a.Both objects have negative charges.
b.The tissue has a positive charge, and the balloon has a negative charge.
c. The tissue has a negative charge, and the balloon has a positive charge.
d.The objects have no interactive with each other.
c. The tissue has a negative charge, and the balloon has a positive charge.
The balloon is repelled by the tissue paper, why?Due to the opposing charges of both things, the tissue paper repels the balloon. In this instance, it is likely that the balloon has a positive charge whereas the tissue paper has a negative charge. While like charges repel one another, opposite charges attract.
The balloon is repelled by the tissue paper, so what can we assume about the charges of the two items from this observation?The fact that the balloon is repelled by the tissue paper leads us to conclude that both items have opposing charges. The tissue paper has a negative charge, but the balloon is most likely to have a positive charge.
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Two pulses are moving along a string. one pulse is moving to the right and the second is moving to the left. both pulses reach point p at the same instant. an illustration with a rectangular crest moving toward the right and a triangular trough going toward the left both toward point p and equidistant from p. which diagram shows the appearance of the string after the pulses pass point p? an illustration with the triangular trough in the middle of the rectangular crest to the left of point p. an illustration with the triangular trough in the middle of the rectangular crest to the right of point p. an illustration with a rectangular crest moving toward the right past p and a triangular trough going toward the left past p. an illustration with a rectangular crest moving toward the left and a triangular trough going toward the right both away from point p and equidistant from p.
The two pulses will have Constructive interference. Constructive interference occurs when the maxima of two waves add together (the two waves are in phase), so that the amplitude of the resulting wave is equal to the sum of the individual amplitudes.
What is constructive interference?
Constructive interference occurs when the maxima of two waves add together (the two waves are in phase), so that the amplitude of the resulting wave is equal to the sum of the individual amplitudes. Equivalently, the minima of the waves would be aligned
This is an example of a standing wave produced when two ends of a string are oscillated in the same plane. The displacement of of point on two ends oscillates vertically.
We are given that two pulses move along the string each coming towards each other and meet at a common point ( P ).
Each pulse have their own magnitude or displacement in the vertical plane. If the pulses are to meet at a common point at the same instant, then they interfere with each other constructively.
Where constructive interference of two pulses is the addition of magnitudes of induvidual pulses and form a single puls of the constructed magnitude.
magnitude ( New pulse ) = magnitude (Pulse 1) + magnitude (Pulse 2)
Hence the two pulses will have Constructive interference
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Answer:
C
Explanation:
edge 22
What is the gravitational force on a mass m located at radius r inside a planet with radius R, mass M, and uniform mass density
The gravitational force on a mass m located at radius r inside a planet with radius R, mass M, and uniform mass density can be calculated using the following equatioN.
Where F is the gravitational force, m is the mass of the object, R is the radius of the planet, M is the mass of the planet, r is the distance between the object and the center of the planet, G is the gravitational constant, and π is the constant pi.
The formula is applicable for uniform mass density, meaning the density of the planet is the same at all points. If the density varies throughout the planet, then the equation would have to be modified accordingly.Where F is the gravitational force, m is the mass of the object, R is the radius of the planet, M is the mass of the planet, r is the distance between the object and the center of the planet, G is the gravitational constant, and π is the constant pi.
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Which do scientists study to determine air temperature at the time it was formed? Select the two correct answers. -Fossilized pollen-air bubbles trapped in ice-tree rings-chemical isotopes in foraminifera shells
The study of climate and how it changes through time is known as climatology. This research enables individuals to have a better understanding of the atmospheric factors that influence weather patterns and temperature variations throughout time.
Why is the fossil record of foraminifera relevant and useful in oil exploration?They enable the connection of geographically distinct rocks, which is critical when creating geological maps, prospecting for oil or gas, and constructing huge civil engineering projects.
When the fossils were dated, they revealed when the ocean was very cold. Scientists may create maps demonstrating where cold water was at various stages in Earth's history by discovering cold-water foraminifera of the same age elsewhere in the seas.
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Which of the following elements is NOT considered a halogen?
-Bromine (Br)
-Chlorine (Cl)
-Fluorine (F)
-Argon (Ar)
Answer:
Argon
Explanation:
Halogens are elements within group 17 on the periodic table. As argon is in group 18, which means it is a noble gas. Bromine, chorine, and flourine are all in group 17, making them halogens.
I NEED HELP :) ty.............
Answer:
The answer to your question is given below
Explanation:
From the question given above, we can see that the wave with a higher frequency has a shorter wavelength while that with a lower frequency has a longer wavelength. This is so because the frequency and wavelength of a wave has inverse relationship. This can further be explained by using the following formula:
Velocity = wavelength x frequency
Divide both side by wavelength
Frequency = Velocity /wavelength
Keeping the velocity constant, we have:
Frequency ∝ 1 / wavelength
From the above illustration, we can see clearly that the frequency and wavelength are in inverse relationship. This implies that the higher the frequency, the shorter the wavelength and the shorter the frequency, the higher the wavelength.
1. A satellite (mass = 4.44 x 109 kg) travels in orbit around the Earth at a distance of 1.9 x 10'm above
Earth's surface. What is the force of gravitational attraction between the satellite and Earth?
Answer:
The force of gravitational attraction between the satellite and Earth is \(2.587\times 10^{10}\) newtons.
Explanation:
Statement is incorrect. Correct statement is:
A satellite (\(m = 4.44\times 10^{9}\,kg\)) travels in orbit around the Earth at a distance of \(1.9\times 10^{6}\,m\) above Earth's surface. What is the force of gravitational attraction between the satellite and Earth?
The gravitational force experimented by the satellite (\(F\)), in newtons, is calculated by Newton's Law of Gravitation, whose equation is defined by following formula:
\(F = \frac{G\cdot m \cdot M}{R^{2}}\) (1)
Where:
\(G\) - Gravitational constant, in cubic meters per kilogram-square second.
\(m\) - Mass of the satellite, in kilograms.
\(M\) - Mass of the Earth, in kilograms.
\(R\) - Distance of the satellite with respect to the center of the Earth, measured in meters.
If we know that \(G = 6.674\times 10^{-11}\,\frac{m^{3}}{kg\cdot s^{2}}\), \(m = 4.44\times 10^{9}\,kg\), \(M = 5.972\times 10^{24}\,kg\) and \(R = 8.271\times 10^{6}\,m\), then the force of gravitational attraction between the satellite and Earth is:
\(F = 2.587\times 10^{10}\,N\)
The force of gravitational attraction between the satellite and Earth is \(2.587\times 10^{10}\) newtons.
calculate the area of the brick if the pressure is 180pa and the force 80N
Answer:
A = 0.44 [m^2]
Explanation:
To solve this problem we must remember that pressure is defined as the relationship between Force and area, so we have the following equation:
P = F/A
where:
P = pressure = 180 [pa]
F = force = 80 [N]
A = area [m^2]
Now replacing and solving:
180 = 80/A
A = 80/180
A = 0.44 [m^2]